Ericsson MINI-LINK TN R3 ETSI Technical Description page 77

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4.3.4 Functional Blocks
This section describes the RAU internal and external functions based on the
block diagrams in Figure 62 on page 71and Figure 63 on page 72.
Transmit IF
Processing
DC
Converter
MMU
Received
RCC
Control and
Supervision
Processor
Alignment Port
Block diagram for RAU1 and RAU2
Figure 62
4/1555-CSH 109 32/1-V1 Uen B 2007-09-14
− Xu, for example RAU2 Xu 23, indicates compatibility with a C-QPSK
MMU and a QAM MMU within ML TN together with an optional feature
(released in TN 4).
F indicates frequency band.
Transmit IF
Signal
Demodulator
Secondary
Voltages
DC/DC
Receive IF
Oscillator
Down-
converter 2
Signal
Strength
Indicator
Alarm
and
Control
Transmit RF
Oscillator Amplifier
Receive RF
Oscillator
Filter and Down-
Amplifier converter 1
Radio Terminals
Power
RF
Loop
Low Noise
Amplifier
Antenna
6623
71